Isotope Separation by Photomigration:Experiments with a Line Selective CO<SUB>2</SUB> Laser
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概要
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In order to excite some molecules besides <SUP>11</SUP>SCl<SUB>3</SUB>vibrationally, a line selective CO<SUB>2</SUB> laser has been constructed. Maximum cw output at each band through a main mirror, of 91.5 reflection is 16, 12, 7and 6.5W/line for 9.2, 9.6, 10.2 and 10.6μm band, respectively, and the total number of generated lines is 84. No spectral change is observed in the selective excitations of <SUP>11</SUP>BCl<SUB>3</SUB>, <SUP>10</SUP>BCl<SUB>3</SUB> and <SUP>32</SUP>SF<SUB>6</SUB> in Xe matrix at 47 K. However, by temperature rise under successive irradiation, the peak height of crystalline <SUP>11</SUP>BCl<SUB>3</SUB> increases remarkably at 76-80K, and reaches the maximum value at 100 K. It is found that the pulsed irradiation is effective for the selective excitation of <SUP>11</SUP>BCl<SUB>3</SUB> or <SUP>10</SUP>BCl<SUB>3</SUB>. In the case of <SUP>32</SUP>SF<SUB>6</SUB> excitation, pre-irradiadiation with a cw CO<SUB>2</SUB> laser at 47 K promotes the crystallization of <SUP>32</SUP>SF<SUB>6</SUB> by a temperature rise of the sample. This implies the fact. that vibrationally excited <SUP>32</SUP>SF<SUB>6</SUB> molecules have been gathered to form the crystal readily.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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